| 机翼非线性颤振的分叉点研究 |
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| 引用本文： | 刘济科.机翼非线性颤振的分叉点研究[J].中山大学学报(自然科学版),1998,37(3):28-31. |
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| 作者姓名： | 刘济科 |
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| 作者单位： | 中山大学应用力学与工程系 |
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| 基金项目： | 广东省自然科学基金,航空科学基金,西安交通大学国家重点实验室开放基金 |
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| 摘 要： | 对定常空气动力作用下、含立方非线性刚度的二元机翼颤振系统的分叉点进行了研究．应用中心流形理论将四维系统降为二维系统，并采用形式级数判别法对分叉点的类别及稳定性进行了分析
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| 关 键 词： | 机翼颤振，分叉，中心流形，形式级数 |
On Bifurcation Points of Airfoil Flutter with Cubic Nonlinearity |
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| Liu Jike,Gao Lei.On Bifurcation Points of Airfoil Flutter with Cubic Nonlinearity[J].Acta Scientiarum Naturalium Universitatis Sunyatseni,1998,37(3):28-31. |
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| Authors: | Liu Jike Gao Lei |
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| Institution: | Liu Jike Gao Lei |
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| Abstract: | The properties of bifurcation points of airfoil flutter with cubic nonlinearity in incompressible flow are studied.The centre manifold theory is used to reduce dimensions of the system. As a result,the type and stability of the bifurcation points in the reduced 2 dimension system can be determined by means of the formal series method. |
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| Keywords: | airfoil flutter bifurcation centre manifold formal series |
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